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patch 9.0.1740: segfault when reading invalid viminfo file

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Problem: segfault when reading invalid viminfo file
Solution: Check the expected type in the viminfo file

Thanks to @yegappan for the included test.

closes: #12652
closes: #12845

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Pierre Colin <48397990+Pierre-Colin@users.noreply.github.com>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Co-authored-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Pierre Colin
2023-08-19 11:56:57 +02:00
committed by Christian Brabandt
parent 38ab19e00f
commit 0a07646845
3 changed files with 27 additions and 0 deletions
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20
src/testdir/test_viminfo.vim
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@@ -614,6 +614,26 @@ func Test_viminfo_bad_syntax2()
rviminfo Xviminfo
endfunc
" This used to crash Vim (GitHub issue #12652)
func Test_viminfo_bad_syntax3()
let lines =<< trim END
call writefile([], 'Xvbs3.result')
qall!
END
call writefile(lines, 'Xvbs3script', 'D')
let lines = []
call add(lines, '|1,4')
" bad viminfo syntax for register barline
call add(lines, '|3,1,1,1,1,0,71489,,125') " empty line1
call writefile(lines, 'Xviminfo', 'D')
call RunVim([], [], '--clean -i Xviminfo -S Xvbs3script')
call assert_true(filereadable('Xvbs3.result'))
call delete('Xvbs3.result')
endfunc
func Test_viminfo_file_marks()
silent! bwipe test_viminfo.vim
silent! bwipe Xviminfo